Which of the following are sensitive indicators of heart function and fluid volume status?
Pulmonary artery, diastolic pressure
None of the above
Both A and B
Pulmonary artery wedge pressure
The Correct Answer is C
A. Pulmonary artery diastolic pressure (PADP) reflects left ventricular end-diastolic pressure and can be used as an indicator of left heart function and fluid status.
B. Not applicable as a standalone choice.
C. Both PADP and pulmonary artery wedge pressure (PAWP) are sensitive and commonly used hemodynamic measurements to assess cardiac function and intravascular volume.
D. Pulmonary artery wedge pressure (PAWP) is a direct reflection of left atrial pressure and is considered a sensitive indicator of left ventricular preload and fluid volume status.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. An elevated heart rate can be a sign of hypovolemia or stress response but is not the most reliable indicator of adequate fluid resuscitation.
B. Serum hemoglobin levels may remain elevated due to hemoconcentration and are not the best indicator of resuscitation effectiveness.
C. Urine output greater than 0.5 mL/kg/hr is the most reliable and practical indicator of adequate fluid resuscitation in burn clients. It reflects renal perfusion and overall circulatory status.
D. Clear breath sounds are important but do not directly reflect the effectiveness of fluid resuscitation.
Correct Answer is A
Explanation
A. The severity of a burn is primarily influenced by the temperature of the burning agent and how long the skin is exposed to it. Higher temperatures and longer contact times cause deeper and more severe burns.
B. While the location and overall health affect outcomes and treatment complexity, they do not directly determine initial severity.
C. Size and age influence prognosis and treatment but not the initial severity of the burn itself.
D. The color of the burning agent and pain tolerance do not affect burn severity.
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